Patents/Assignees

ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., Ltd.

45 patents in portfolio

US12305772utility2025
Reversible Electromagnetic Valve and Air Conditioning Unit Having Same
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US12287150utility2025
Combined Heat Exchanger
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US12259164utility2025
Check Valve and Air Conditioner Having Same
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US12222142utility2025
Air Conditioner and Reservoir Thereof
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US12203556utility2025
One-way Valve
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US12146694utility2024
Electronic Expansion Valve
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US12140378utility2024
Heat Exchanger
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US12140231utility2024
Electronic Expansion Valve
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US12140379utility2024
Flat Tube and Heat Exchanger
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US12130100utility2024
Heat Exchanger
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US12117217utility2024
Gas-liquid Separator and Compression System
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US12104708utility2024
Guide Frame for Four-way Reversing Valve
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US12092381utility2024
Electronic Expansion Valve and Assembling Method of Electronic Expansion Valve
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US12015307utility2024
Coil Component and Electronic Expansion Valve with Coil Component
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US12000402utility2024
Electric Water Pump
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US11959561utility2024
Electronic Expansion Valve and Refrigeration System
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US11959705utility2024
Heat Exchanger and Air Conditioner with Heat Exchanger
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US11953244utility2024
Electronic Expansion Valve
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US11946555utility2024
Nut Assembly for Electronic Expansion Valve, Electronic Expansion Valve, and Limiting Element Mounting Method
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US11946558utility2024
Valve Body Connection Structure and Valve Assembly with Valve Body Connection Structure
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